-module \$_DFF_N_ (input D, C, output Q); DFFN _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C)); endmodule
-module \$_DFF_P_ #(parameter INIT = 1'b0) (input D, C, output Q); DFF #(.INIT(INIT)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C)); endmodule
+`default_nettype none
+//All DFF* have INIT, but the hardware is always initialised to the reset
+//value regardless. The parameter is ignored.
-module \$__DFFS_PN0_ (input D, C, R, output Q); DFFR _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(!R)); endmodule
-module \$__DFFS_PP0_ (input D, C, R, output Q); DFFR _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(R)); endmodule
-module \$__DFFS_PP1_ (input D, C, R, output Q); DFFR _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(R)); endmodule
+// DFFN D Flip-Flop with Negative-Edge Clock
+module \$_DFF_N_ (input D, C, output Q);
+ DFFN _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C));
+ wire _TECHMAP_REMOVEINIT_Q_ = 1;
+endmodule
+
+// DFF D Flip-Flop
+module \$_DFF_P_ (input D, C, output Q);
+ DFF _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C));
+ wire _TECHMAP_REMOVEINIT_Q_ = 1;
+endmodule
+
+// DFFE D Flip-Flop with Clock Enable
+module \$_DFFE_PP_ (input D, C, E, output Q);
+ DFFE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CE(E));
+ wire _TECHMAP_REMOVEINIT_Q_ = 1;
+endmodule
+
+// DFFNE D Flip-Flop with Negative-Edge Clock and Clock Enable
+module \$_DFFE_NP_ (input D, C, E, output Q);
+ DFFNE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CE(E));
+ wire _TECHMAP_REMOVEINIT_Q_ = 1;
+endmodule
+
+// DFFR D Flip-Flop with Synchronous Reset
+module \$_SDFF_PP0_ (input D, C, R, output Q);
+ DFFR _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(R));
+ wire _TECHMAP_REMOVEINIT_Q_ = 1;
+endmodule
+
+// DFFNR D Flip-Flop with Negative-Edge Clock and Synchronous Reset
+module \$_SDFF_NP0_ (input D, C, R, output Q);
+ DFFNR _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(R));
+ wire _TECHMAP_REMOVEINIT_Q_ = 1;
+endmodule
+
+// DFFRE D Flip-Flop with Clock Enable and Synchronous Reset
+module \$_SDFFE_PP0P_ (input D, C, R, E, output Q);
+ DFFRE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(R), .CE(E));
+ wire _TECHMAP_REMOVEINIT_Q_ = 1;
+endmodule
+
+// DFFNRE D Flip-Flop with Negative-Edge Clock,Clock Enable, and Synchronous Reset
+module \$_SDFFE_NP0P_ (input D, C, R, E, output Q);
+ DFFNRE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(R), .CE(E));
+ wire _TECHMAP_REMOVEINIT_Q_ = 1;
+endmodule
+
+// DFFS D Flip-Flop with Synchronous Set
+module \$_SDFF_PP1_ (input D, C, R, output Q);
+ DFFS _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .SET(R));
+ wire _TECHMAP_REMOVEINIT_Q_ = 1;
+endmodule
+
+// DFFNS D Flip-Flop with Negative-Edge Clock and Synchronous Set
+module \$_SDFF_NP1_ (input D, C, R, output Q);
+ DFFNS _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .SET(R));
+ wire _TECHMAP_REMOVEINIT_Q_ = 1;
+endmodule
+
+// DFFSE D Flip-Flop with Clock Enable and Synchronous Set
+module \$_SDFFE_PP1P_ (input D, C, R, E, output Q);
+ DFFSE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .SET(R), .CE(E));
+ wire _TECHMAP_REMOVEINIT_Q_ = 1;
+endmodule
+
+// DFFNSE D Flip-Flop with Negative-Edge Clock,Clock Enable,and Synchronous Set
+module \$_SDFFE_NP1P_ (input D, C, R, E, output Q);
+ DFFNSE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .SET(R), .CE(E));
+ wire _TECHMAP_REMOVEINIT_Q_ = 1;
+endmodule
+
+// DFFP D Flip-Flop with Asynchronous Preset
+module \$_DFF_PP1_ (input D, C, R, output Q);
+ DFFP _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .PRESET(R));
+ wire _TECHMAP_REMOVEINIT_Q_ = 1;
+endmodule
+
+// DFFNP D Flip-Flop with Negative-Edge Clock and Asynchronous Preset
+module \$_DFF_NP1_ (input D, C, R, output Q);
+ DFFNP _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .PRESET(R));
+ wire _TECHMAP_REMOVEINIT_Q_ = 1;
+endmodule
+
+// DFFC D Flip-Flop with Asynchronous Clear
+module \$_DFF_PP0_ (input D, C, R, output Q);
+ DFFC _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CLEAR(R));
+ wire _TECHMAP_REMOVEINIT_Q_ = 1;
+endmodule
+
+// DFFNC D Flip-Flop with Negative-Edge Clock and Asynchronous Clear
+module \$_DFF_NP0_ (input D, C, R, output Q);
+ DFFNC _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CLEAR(R));
+ wire _TECHMAP_REMOVEINIT_Q_ = 1;
+endmodule
+
+// DFFPE D Flip-Flop with Clock Enable and Asynchronous Preset
+module \$_DFFE_PP1P_ (input D, C, R, E, output Q);
+ DFFPE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .PRESET(R), .CE(E));
+ wire _TECHMAP_REMOVEINIT_Q_ = 1;
+endmodule
+
+// DFFNPE D Flip-Flop with Negative-Edge Clock,Clock Enable, and Asynchronous Preset
+module \$_DFFE_NP1P_ (input D, C, R, E, output Q);
+ DFFNPE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .PRESET(R), .CE(E));
+ wire _TECHMAP_REMOVEINIT_Q_ = 1;
+endmodule
+
+// DFFCE D Flip-Flop with Clock Enable and Asynchronous Clear
+module \$_DFFE_PP0P_ (input D, C, R, E, output Q);
+ DFFCE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CLEAR(R), .CE(E));
+ wire _TECHMAP_REMOVEINIT_Q_ = 1;
+endmodule
+
+// DFFNCE D Flip-Flop with Negative-Edge Clock,Clock Enable and Asynchronous Clear
+module \$_DFFE_NP0P_ (input D, C, R, E, output Q);
+ DFFNCE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CLEAR(R), .CE(E));
+ wire _TECHMAP_REMOVEINIT_Q_ = 1;
+endmodule
+
+module \$__GW_IOBUF (input I, OE, output O, inout IO);
+ IOBUF _TECHMAP_REPLACE_ (.I(I), .O(O), .OEN(~OE), .IO(IO));
+endmodule
+
+module \$__GW_TBUF (input I, OE, output O);
+ TBUF _TECHMAP_REPLACE_ (.I(I), .OEN(~OE), .O(O));
+endmodule
module \$lut (A, Y);
- parameter WIDTH = 0;
- parameter LUT = 0;
-
- input [WIDTH-1:0] A;
- output Y;
-
- generate
- if (WIDTH == 1) begin
- LUT1 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.F(Y),
- .I0(A[0]));
- end else
- if (WIDTH == 2) begin
- LUT2 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.F(Y),
- .I0(A[0]), .I1(A[1]));
- end else
- if (WIDTH == 3) begin
- LUT3 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.F(Y),
- .I0(A[0]), .I1(A[1]), .I2(A[2]));
- end else
- if (WIDTH == 4) begin
- LUT4 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.F(Y),
- .I0(A[0]), .I1(A[1]), .I2(A[2]), .I3(A[3]));
- end else begin
- wire _TECHMAP_FAIL_ = 1;
- end
- endgenerate
+ parameter WIDTH = 0;
+ parameter LUT = 0;
+
+ (* force_downto *)
+ input [WIDTH-1:0] A;
+ output Y;
+
+ generate
+ if (WIDTH == 1) begin
+ LUT1 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.F(Y),
+ .I0(A[0]));
+ end else
+ if (WIDTH == 2) begin
+ LUT2 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.F(Y),
+ .I0(A[0]), .I1(A[1]));
+ end else
+ if (WIDTH == 3) begin
+ LUT3 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.F(Y),
+ .I0(A[0]), .I1(A[1]), .I2(A[2]));
+ end else
+ if (WIDTH == 4) begin
+ LUT4 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.F(Y),
+ .I0(A[0]), .I1(A[1]), .I2(A[2]), .I3(A[3]));
+ end else
+ if (WIDTH == 5) begin
+ wire f0, f1;
+ \$lut #(.LUT(LUT[15: 0]), .WIDTH(4)) lut0 (.A(A[3:0]), .Y(f0));
+ \$lut #(.LUT(LUT[31:16]), .WIDTH(4)) lut1 (.A(A[3:0]), .Y(f1));
+ MUX2_LUT5 mux5(.I0(f0), .I1(f1), .S0(A[4]), .O(Y));
+ end else
+ if (WIDTH == 6) begin
+ wire f0, f1;
+ \$lut #(.LUT(LUT[31: 0]), .WIDTH(5)) lut0 (.A(A[4:0]), .Y(f0));
+ \$lut #(.LUT(LUT[63:32]), .WIDTH(5)) lut1 (.A(A[4:0]), .Y(f1));
+ MUX2_LUT6 mux6(.I0(f0), .I1(f1), .S0(A[5]), .O(Y));
+ end else
+ if (WIDTH == 7) begin
+ wire f0, f1;
+ \$lut #(.LUT(LUT[63: 0]), .WIDTH(6)) lut0 (.A(A[5:0]), .Y(f0));
+ \$lut #(.LUT(LUT[127:64]), .WIDTH(6)) lut1 (.A(A[5:0]), .Y(f1));
+ MUX2_LUT7 mux7(.I0(f0), .I1(f1), .S0(A[6]), .O(Y));
+ end else
+ if (WIDTH == 8) begin
+ wire f0, f1;
+ \$lut #(.LUT(LUT[127: 0]), .WIDTH(7)) lut0 (.A(A[6:0]), .Y(f0));
+ \$lut #(.LUT(LUT[255:128]), .WIDTH(7)) lut1 (.A(A[6:0]), .Y(f1));
+ MUX2_LUT8 mux8(.I0(f0), .I1(f1), .S0(A[7]), .O(Y));
+ end else begin
+ wire _TECHMAP_FAIL_ = 1;
+ end
+ endgenerate
endmodule
projects / yosys.git / blobdiff